The communication introduces us to the electric car, or EV, as the car of the future. Are we sure this is the case? Are we sure that today’s EV cars live up to the public’s expectations? Now we tell you what no one dares to tell you.
It is not possible to “quickly” recharge an electric car at home without major structural changes:
Virtually all articles that talk about EV report the fact that it is possible to “quickly” recharge an EV in about 30 minutes. Some of them are clamoring that – soon! – it will be possible to do it in less than 15 minutes. What they will never tell you is that it is not possible to do this at home. Because private homes don’t have the ability to “quickly” recharge an EV. The “fastest” recharge that can be done in a private home is about eight to nine hours, with a 240 volt outlet. To recharge quickly, the house should be rewired. Do you want to spend a lot of money to equip your home with industrial-grade wiring that you don’t need in the end? No, I think
A “fast” recharge is never a full recharge –
Whenever you read an article that talks about EV and the miracle of taking at least five times longer to “fast” charge compared to the five minutes it takes to refuel a non-electric car, you will never encounter the caveat that “fast charging” “Is only 80%. In other words, you end up having 20% less charge than a full charge, which means 20% less range… which means having to stop (again) 20% earlier.
The reason why you can’t – or rather, shouldn’t – “fast” charge an EeeeVeee to full charge is that this procedure can increase the risk of fire. For this reason, electric vehicles (and “fast” chargers) are set to provide 80% “fast” charge, while the rest is slow, so it takes a long time.
This 20% loss of battery life, assuming you don’t have time to wait for a full (slow) charge, is probably not a big deal if you’re not going far or if you have time to stop and wait (again). But if it is a long journey, you will stop and expect more than you are led to believe.
The further you drive, the shorter the service life of the batteries.
If you drive an EV to the limit of its range, it will heavily drain its battery pack. If you want your battery to last a long time, you should avoid doing so, because regularly discharging a battery can shorten its life. Namely, its advertised ability to hold the office (and thus to provide autonomy) when it is new. For this reason, hybrid cars are designed to always keep the battery partially charged. However, even a hybrid car battery eventually loses its ability to hold a charge and needs to be replaced. Electric vehicles don’t have a combustion engine to keep them charged, so if you want the battery to
Then there are other surprises:
- you must always park near the charging point;
- if you park in the cold the next morning you will see a significant drop in the charge, because EV cars have systems to ensure that the batteries do not get too cold or hot, but this consumes energy;
- if you plan to reduce your carbon footprint, remember that battery packs don’t last as long as a combustion engine and their
Finally, for those who are considering buying an electric car because they believe they are reducing their “carbon footprint”: You are probably increasing it, because the life of the battery pack is much shorter than that of a motor. internal combustion and remaking them is an extremely energy-intensive process as well as still of uncertain economic quality.
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A few things they forget to tell you about electric cars
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